forked from tTh/FloatImg
size of capture is now an option
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7abdf7b43e
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d65b93fc66
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@ -36,9 +36,6 @@
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#define SAVE_AS_PNM 0
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#define SAVE_AS_FIMG 0
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#define WIDTH 1920
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#define HEIGHT 1080
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/* --------------------------------------------------------------------- */
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#define CLEAR(x) memset(&(x), 0, sizeof(x))
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@ -78,6 +75,7 @@ puts("\t-n NNN\t\thow many frames ?");
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puts("\t-O ./\t\tset Output dir");
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puts("\t-o bla\t\tset output filename");
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puts("\t-p NNN\t\tperiod in seconds");
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puts("\t-s WxH\t\tsize of capture");
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puts("\t-v\t\tincrease verbosity");
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exit(0);
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}
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@ -102,6 +100,8 @@ int foo, bar;
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double period = 10.0; /* delai entre les captures */
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int nbre_capt = 1; /* nombre de captures */
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int opt;
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int width = 640;
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int height = 480;
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double t_final;
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char *dest_dir = "."; /* no trailing slash */
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char *outfile = "out.pnm";
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@ -110,7 +110,7 @@ char *outfile = "out.pnm";
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FloatImg grab, cumul;
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#endif
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while ((opt = getopt(argc, argv, "d:hn:o:O:p:v")) != -1) {
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while ((opt = getopt(argc, argv, "d:hn:o:O:p:s:v")) != -1) {
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switch(opt) {
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case 'd': dev_name = optarg; break;
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case 'h': help(0); break;
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@ -118,6 +118,7 @@ while ((opt = getopt(argc, argv, "d:hn:o:O:p:v")) != -1) {
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case 'O': dest_dir = optarg; break;
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case 'o': outfile = optarg; break;
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case 'p': period = 1e6*atof(optarg); break;
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case 's': parse_WxH(optarg, &width, &height); break;
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case 'v': verbosity++; break;
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}
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}
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@ -125,6 +126,7 @@ while ((opt = getopt(argc, argv, "d:hn:o:O:p:v")) != -1) {
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if (verbosity) {
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fprintf(stderr, "running %s pid=%d\n", argv[0], getpid());
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fprintf(stderr, "period is %.3f microseconds\n", period);
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fprintf(stderr, "framesize is %dx%d\n", width, height);
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}
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fd = v4l2_open(dev_name, O_RDWR | O_NONBLOCK, 0);
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@ -135,8 +137,8 @@ if (fd < 0) {
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CLEAR(fmt);
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fmt.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
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fmt.fmt.pix.width = WIDTH;
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fmt.fmt.pix.height = HEIGHT;
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fmt.fmt.pix.width = width;
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fmt.fmt.pix.height = height;
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fmt.fmt.pix.pixelformat = V4L2_PIX_FMT_RGB24;
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fmt.fmt.pix.field = V4L2_FIELD_INTERLACED;
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xioctl(fd, VIDIOC_S_FMT, &fmt);
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@ -144,7 +146,7 @@ if (fmt.fmt.pix.pixelformat != V4L2_PIX_FMT_RGB24) {
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printf("Libv4l didn't accept RGB24 format. Can't proceed.\n");
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exit(EXIT_FAILURE);
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}
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if ((fmt.fmt.pix.width != WIDTH) || (fmt.fmt.pix.height != HEIGHT)) {
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if ((fmt.fmt.pix.width != width) || (fmt.fmt.pix.height != height)) {
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printf("Warning: driver is sending image at %dx%d\n",
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fmt.fmt.pix.width, fmt.fmt.pix.height);
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}
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